Home / 28,333.41-39,100.11-15,586.77

Finding the Fourth Proportional to 28,333.41, 39,100.11 and 15,586.77

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Solution

The fourth proportional to 28,333.41, 39,100.11 and 15,586.77 is: 21,509.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.41 : 39,100.11 = 15,586.77 : x
  2. Step 2: Convert to fraction form
    28,333.41/39,100.11 = 15,586.77/x
  3. Step 3: Cross multiply
    28,333.41x = 39,100.11 × 15,586.77
  4. Step 4: Simplify right side
    28,333.41x = 609,444,421.54
  5. Step 5: Solve for x
    x = 609,444,421.54/28,333.41
  6. Step 6: Final answer
    x = 21,509.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.